• An easy to deploy street light control system based on wireless communication and LED technology 

      Elejoste Larrucea, Pilar; Angulo Martínez, Ignacio; Perallos Ruiz, Asier; Chertudi Ozamiz, Aitor; García Zuazola, Ignacio Julio; Moreno, Asier; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Astrain Escola, José Javier Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid; Villadangos Alonso, Jesús Upna Orcid (MDPI, 2013)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper presents an intelligent streetlight management system based on LED lamps, designed to facilitate its deployment in existing facilities. The proposed approach, which is based on wireless communication technologies, ...
    • Educational games to enhance museum visits for schools 

      Bossavit, Benoît Upna Orcid; Pina Calafi, Alfredo Upna Orcid; Sánchez Gil, Isabel Upna; Urtasun, Aitziber (National Taiwan Normal University, 2018)   Artículo / Artikulua  OpenAccess
      Museums usually look for new educational tools to enhance their exhibition. The Oteiza's museum in Navarre (Spain) especially gives importance to the dissemination of Jorge Oteiza's work to children at schools. Consequently, ...
    • An efficient numerical method for singularly perturbed time dependent parabolic 2D convection-diffusion systems 

      Clavero, Carmelo; Jorge Ulecia, Juan Carlos Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      In this paper we deal with solving efficiently 2D linear parabolic singularly perturbed systems of convection–diffusion type. We analyze only the case of a system of two equations where both of them feature the same diffusion ...
    • Embedded pairs of fractional step Runge-Kutta methods and improved domain decomposition techniques for parabolic problems 

      Portero Egea, Laura Upna Orcid; Jorge Ulecia, Juan Carlos Upna Orcid (Springer, 2007)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper we design and apply new embedded pairs of Frac- tional Step Runge-Kutta methods to the e±cient solution of multidimensional parabolic problems. These time integrators are combined with a suitable split- ting ...
    • Evaluation of deployment challenges of wireless sensor networks at signalized intersections 

      Azpilicueta Fernández de las Heras, Leyre Upna Orcid; López Iturri, Peio Upna Orcid; Aguirre Gallego, Erik Upna Orcid; Martínez Carrasco, Carlos; Astrain Escola, José Javier Upna Orcid; Villadangos Alonso, Jesús Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid (MDPI, 2016)   Artículo / Artikulua  OpenAccess
      With the growing demand of Intelligent Transportation Systems (ITS) for safer and more efficient transportation, research on and development of such vehicular communication systems have increased considerably in the last ...
    • Eventual consistency: origin and support 

      Muñoz Escoí, Francesc D.; García Escrivá, José Ramón; Sendra Roig, Juan Salvador; Bernabéu Aubán, José M.; González de Mendívil Moreno, José Ramón Upna Orcid (Slovak Academy of Sciences, Institute of Informatics, 2018)   Artículo / Artikulua  OpenAccess
      Eventual consistency is demanded nowadays in geo-replicated services that need to be highly scalable and available. According to the CAP constraints, when network partitions may arise, a distributed service should choose ...
    • An extension of the multiple Erdélyi-Kober operator and representations of the generalized hypergeometric functions 

      Karp, D. B.; López García, José Luis Upna Orcid (De Gruyter, 2018)   Artículo / Artikulua  OpenAccess
      In this paper we investigate the extension of the multiple Erd elyi-Kober fractional integral operator of Kiryakova to arbitrary complex values of parameters by the way of regularization. The regularization involves ...
    • Formulas for the amplitude of the van der Pol limit cycle through the homotopy analysis method 

      López García, José Luis Upna Orcid; Abbasbandy, S.; López Ruiz, R. Upna (Hindawi / Wiley, 2009)   Artículo / Artikulua  OpenAccess
      The limit cycle of the van der Pol oscillator, x¨+ε(x2−1)x˙+x=0, is studied in the plane (x,x˙) by applying the homotopy analysis method. A recursive set of formulas that approximate the amplitude and form of this limit ...
    • From start to finish: teenagers on the autism spectrum developing their own collaborative game 

      Bossavit, Benoît Upna Orcid; Parsons, Sarah (Emerald, 2017)   Artículo / Artikulua  OpenAccess
      Purpose: The purpose of this paper is to investigate how teenagers on the autism spectrum respond to their involvement in the creation of a collaborative game, meeting the curriculum requirements in programming at secondary ...
    • A fully discrete Calderón calculus for the two-dimensional elastic wave equation 

      Domínguez Baguena, Víctor Upna Orcid; Sánchez Vizuet, Tonatiuh; Sayas, Francisco Javier (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      In this paper we present a full discretization of the layer potentials and boundary integral operators for the elastic wave equation on a parametrizable smooth closed curve in the plane. The method can be understood as a ...
    • Generalization of Zernike polynomials for regular portions of circles and ellipses 

      Navarro, Rafael; López García, José Luis Upna Orcid; Díaz, José A.; Pérez Sinusía, Ester Upna Orcid (Optical Society of America, 2014)   Artículo / Artikulua  OpenAccess
      Zernike polynomials are commonly used to represent the wavefront phase on circular optical apertures, since they form a complete and orthonormal basis on the unit circle. Here, we present a generalization of this Zernike ...
    • Google sites en el área de matemáticas 

      Martínez Gil, Claudio Upna (2013)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Presentación de un sitio-web donde se integran las diferentes herramientas que proporciona Google: Google calendar para la planificación temporal de la asignatura, Google grupos como foro de los alumnos, Google drive para ...
    • High order Nyström methods for transmission problems for Helmholtz equation 

      Domínguez Baguena, Víctor Upna Orcid; Turc, Catalin (Springer, 2016)   Capítulo de libro / Liburuen kapitulua  OpenAccess
      We present super-algebraic compatible Nyström discretizations for the four Helmholtz boundary operators of Calderón’s calculus on smooth closed curves in 2D. These discretizations are based on appropriate splitting of the ...
    • Hill problem analytical theory to the order four: application to the computation of frozen orbits around planetary satellites 

      Lara, Martín; Palacián Subiela, Jesús Francisco Upna Orcid (Hindawi Publishing Corporation, 2009)   Artículo / Artikulua  OpenAccess
      Frozen orbits of the Hill problem are determined in the double-averaged problem, where short and long-period terms are removed by means of Lie transforms. Due to the perturbation method we use, the initial conditions ...
    • Holographic acoustic elements for manipulating levitating particles. Applications in human-computer interaction 

      Marzo Pérez, Asier Upna Orcid (2016)   Tesis doctoral / Doktoretza tesia  OpenAccess
      En esta tesis doctoral demostramos simultáneamente atrapamiento 3D, traslación y rotación de las partículas utilizando dispositivos de una sola cara. Esto se logra mediante el ajuste de manera óptima los retardos de fase ...
    • Holographic acoustic elements for manipulation of levitated objects 

      Marzo Pérez, Asier Upna Orcid; Seah, Sue Ann; Drinkwater, Bruce W.; Sahoo, Deepak Ranjan; Long, Benjamin; Subramanian, Sriram (Nature Publishing Group, 2015)   Artículo / Artikulua  OpenAccess
      Sound can levitate objects of different sizes and materials through air, water and tissue. This allows us to manipulate cells, liquids, compounds or living things without touching or contaminating them. However, acoustic ...
    • Implementation and operational analysis of an interactive intensive care unit within a smart health context 

      López Iturri, Peio Upna Orcid; Aguirre Gallego, Erik Upna Orcid; Trigo Vilaseca, Jesús Daniel Upna Orcid; Astrain Escola, José Javier Upna Orcid; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Serrano Arriezu, Luis Javier Upna Orcid; Villadangos Alonso, Jesús Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      In the context of hospital management and operation, Intensive Care Units (ICU) are one of the most challenging in terms of time responsiveness and criticality, in which adequate resource management and signal processing ...
    • Implementation of wireless sensor network architecture for interactive shopping carts to enable context-aware commercial areas 

      López Iturri, Peio Upna Orcid; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Astrain Escola, José Javier Upna Orcid; Aguirre Gallego, Erik Upna Orcid; Salinero, Eduardo; Villadangos Alonso, Jesús Upna Orcid; Falcone Lanas, Francisco Upna Orcid (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      An interactive shopping cart to enable context aware environments within large commercial areas is presented. A wireless sensor network was designed, with specific nodes embedded within the shopping carts and infrastructure ...
    • Improved accuracy for time-splitting methods for the numerical solution of parabolic equations 

      Arrarás Ventura, Andrés Upna Orcid; Portero Egea, Laura Upna Orcid (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      In this work, we study time-splitting strategies for the numerical approximation of evolutionary reaction–diffusion problems. In particular, we formulate a family of domain decomposition splitting methods that overcomes ...
    • Innovación metodológica para desarrollar y evaluar competencias transversales clave en educación secundaria. Aplicación en el ámbito de Tecnología 

      Zabaleta Trecu, José Miguel Upna (2017)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Al menos desde que en 2006 se publicara la recomendación del Parlamento Europeo y del Consejo sobre las competencias clave para el aprendizaje, entendemos que el paradigma de los aprendizajes y las enseñanzas por competencias ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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